While most things are better outdoors, it&';s especially true of wine. But that simple pleasure demanded some serious engineering to ensure no pool deck, happy hour, or boat trip is hampered by broken glass. This Wine Tumbler is the durable answer to the traditional wine glass, providing a rugged yet elegant solution for any environment. Available in a variety of finishes, it is designed to withstand the rigors of the wild while keeping your favorite vintage at the ideal temperature. Like the entire RamblerA(R) Family, the Wine Tumbler and included MagSlider(TM) Lid are dishwasher safe for easy cleaning. The smooth-sliding lid adds an additional barrier of protection to keep your beverage contained and safe from thirsty flies or the elements, all while utilizing the power of magnets for a reliable closure. Features 18/8 Stainless Steel: Made with kitchen-grade stainless steel, so they&';re puncture and rust-resistant. Double-Wall Vacuum Insulation: Keeps cold drinks cold and hot drinks hot until the last sip. Dishwasher Safe: Because no one needs more work to do. Magnets: Makes for easy opening and closing with the MagSlider(TM) Lid. Specifications Empty weight: 0.60 LBS Dimensions: 3.6"W x 4.5"H (9.1 W x 11.4 cm)